<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="jquery.min.js"></script>
</head>
<body>
    <video src="mov.mp4" muted></video><!--muted 静音-->
    <script>
        //1.DOM对象转换为jQuery对象
        //$(`video`);jQuery
        var myVideo = document.querySelector(`video`);
        //$(myVideo).play();//play()是jQuery没有的方法
        //2.jQuery对象转换成DOM对象
        //myVideo.play();
        //$(`video`)[0].play();
        $(`video`).get(0).play();
    </script>
</body>
</html>